Put 12/100 and see how many times 100 can go into 300 and the number you multiplied multiply that number by 12.
I need more information about the triangle before I am able to answer your question.
For this case we must find the roots of the following equation:

We have to:

Where:

Substituting the values:

We have two roots:

Answer:

Answer: 16 miles is the total
Step-by-step explanation:
12 = 3x/4. Or 12/x : 3/4
12/3 = 4. 4×4=16